\begin{tabular}{|r||r@{}l|r|r@{ / }r|}\hline\hline
\mc{6}{|c|}{Average Benefit of Treatment (Ex - Post)}\\\hline\hline
Population & \mc{2}{c|}{Estimand} & p-value & \mc{2}{c|}{90\% Confi.}\\\hline
\mc{1}{|l||}{ Full } &           0.061 & $^{**}$ &            0.02 &           0.016 &           0.134 \\
\mc{1}{|l||}{ Treated } &           0.077 & $^{***}$ &            0.01 &           0.030 &           0.142 \\
\mc{1}{|l||}{ Untreated } &           0.048 & $^{**}$ &            0.04 &           0.002 &           0.129 \\
\hline\hline
